Linus Torvalds writes: > I think (but may be mistaken) that ARM _does_ have pure virtual caches > with a process ID, but people have always ended up flushing them at > context switch simply because it just causes too much trouble. > > Sparc? VIPT too? Davem?
There is one PowerPC embedded chip family, the PPC440, which has a virtual i-cache with a process ID tag. The d-cache is sane though. Of course, the i-cache being readonly means we avoid the nastier issues. Paul. - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
